fertility vs rankness

fertility and rankness both are nouns.

Word	Noun	Adjective	Verb	Adverb
fertility	Yes	No	No	No
rankness	Yes	No	No	No

As nouns, fertility and rankness are synonyms defined as:

fertility and rankness: the property of producing abundantly and sustaining vigorous and luxuriant growth

Other synonyms of fertility include prolificacy, richness.

fertility (noun)	rankness (noun)
the property of producing abundantly and sustaining vigorous and luxuriant growth	the attribute of having a strong offensive smell
the state of being fertile; capable of producing offspring	the property of producing abundantly and sustaining vigorous and luxuriant growth
the ratio of live births in an area to the population of that area; expressed per 1000 population per year